package com.xianggu.demo.observer;

// 具体观察者实现
public class ConcreteObserver implements Observer {
    private String name;
    
    public ConcreteObserver(String name) {
        this.name = name;
    }
    
    @Override
    public void update(String message) {
        System.out.println(name + " 收到更新: " + message);
    }
}